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Natasha_Volkova [10]
3 years ago
7

Help fast plz give me the answer

Mathematics
1 answer:
Lunna [17]3 years ago
7 0
The answer is 75 degrees I believe.

45 + 60 + x = 180

I’m pretty sure I’m correct but I’m so sorry if I’m wrong.
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Find c.
Vinvika [58]
<h3>Answer:   0.5</h3>

========================================================

Explanation:

The ultimate goal is to find the value for lowercase c, or find the length of side c. So we'll use the portion sin(C)/c as part of the law of sines.

We don't know the value of lowercase 'a', so we'll ignore the sin(A)/a portion.

This leaves sin(B)/b

We see that one side is 2 cm long, so this means b = 2. The angle opposite this is 105 degrees, so B = 105.

The angle opposite side c is 15 degrees, so C = 15.

The lowercase letters represent side lengths, while the uppercase letters are angles.

--------------------------

We have enough to apply the law of sines to solve for side c.

sin(B)/b = sin(C)/c

sin(105)/2 = sin(15)/c

c*sin(105) = 2*sin(15) ............. cross multiply

c = 2*sin(15)/sin(105) .............. dividing both sides by sin(105)

c = 0.53589838486224

c = 0.5

Side c is roughly 0.5 cm long.

Make sure your calculator is in degree mode.

6 0
3 years ago
Read 2 more answers
What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}? 2r ≤ 3r – 8 A. {8, 9, 10}
TiliK225 [7]
2r\leq3r-8\\&#10;r\geq8\\\Downarrow\\&#10;\boxed{\{8,9,10\}}
8 0
3 years ago
Round 124,607 to the nearest hundred thousand
ANEK [815]
The answer is 100,000
<span>In order to answer this, you must got to the number in the hundred thousand spot, in this case 1, and the check the number next to it. If it is 5 or more, the number becomes bigger, and if it is less than 5, you keep the number the same. After this, any numbers to the right become zeros. </span>
6 0
2 years ago
What is (2,8) m=3 in slope intercept form
nignag [31]

Answer: y=3x+2

Step-by-step explanation:

y=mx+b

Plug in point (x,y)-->(6,8) m=3

8=3 (6) +b

2=b

5 0
3 years ago
If it is true that z2 - 6 = 19, then z2 + 6 = ?
qwelly [4]
The answer is probably the opposite which in this case would be -19 ?
5 0
3 years ago
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